Sony XR-7850 User Manual

Cassette player section

Tape track

4-track 2-channel stereo

Wow and flutter

0.08 % (WRMS)

Frequency response

30 – 18,000 Hz

Signal-to-noise ratio

58 dB

Tuner section

Tuning range

FM tuning interval:
50 kHz/200kHz switchable
87.5 – 108.0 MHz
(at 50 kHz step)
87.5 – 107.9 MHz
(at 200 kHz step)

Antenna terminal

External antenna connector

Intermediate frequency

10.7 MHz

Usable sensitivity

8 dBf

Selectivity

75 dB at 400 kHz

Signal-to-noise ratio

65 dB (stereo),
68 dB (mono)

Harmonic distortion at 1 kHz

0.5 % (stereo),
0.3 % (mono)

Separation

35 dB at 1 kHz

Frequency response

30 – 15,000 Hz

Capture ratio

2 dB

Tuning range

MW tuning interval:
9kHz/10kHz switchable
531 – 1,602kHz
(at 9kHz step)
530 – 1,710kHz
(at 10kHz step)

Antenna terminal

External antenna connector

Intermediate frequency

10.71 MHz/450kHz

Sensitivity

30 µV

Tuning range

SW tuning interval:
SW1 :2,940 – 7,735kHz
SW2 :9,500 – 18,135kHz
(except for 10,140 –
11,575kHz)

Antenna terminal

External antenna connector

Intermediate frequency

10.71 MHz/450kHz

Sensitivity

50 µV

Power amplifier section

Outputs

Speaker outputs
(sure seal connectors)

Speaker impedance

4 – 8 ohms

Maximum power output 35 W 

×

 4 (at 4 ohms)

General

Outputs

Power antenna control
lead/Power amplifier
control lead/Telephone
ATT control lead
Rear line out (1)

Tone controls

Bass ±8 dB at 100 Hz
Treble ±8 dB at 10 kHz

Power requirements

12 V DC car battery
(negative ground)

Dimensions

Approx. 188 

×

 58  

×

 181

mm (w/h/d)

Mounting dimensions

Approx. 182 

×

 53 

×

 164 mm

(w/h/d)

Mass

Approx. 1.2 kg

Supplied accessories

Parts for installation and
connections (1 set)
Front panel case (1)
Rotary commander
RM-X4S (1)